PIC card microchip learning PIC16F877A microcontroller development board with RS232 interface for replaceable parts vehicles
- The 4-bit independent keyboard is connected to RB0 RB1 RB2 RB3.
- External 5V DC power interface (send USB power cable without additional purchase).
- Standard RS232 communication interface, microcontroller board and computer communication interface.
- 8 LEDs are connected to the RD port. When the J3 is plugged in, the LED is enabled. J3 is unplugged and the RD port is completely released.
- Onboard 4M crystal oscillator, the socket crystal frequency can be replaced at any .
